EP2524725A1 - Dispositif de suppression de produit à tamiser à partir dýun liquide - Google Patents

Dispositif de suppression de produit à tamiser à partir dýun liquide Download PDF

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Publication number
EP2524725A1
EP2524725A1 EP12003467A EP12003467A EP2524725A1 EP 2524725 A1 EP2524725 A1 EP 2524725A1 EP 12003467 A EP12003467 A EP 12003467A EP 12003467 A EP12003467 A EP 12003467A EP 2524725 A1 EP2524725 A1 EP 2524725A1
Authority
EP
European Patent Office
Prior art keywords
drum
rotary arm
screenings
screw conveyor
conveyor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP12003467A
Other languages
German (de)
English (en)
Inventor
Frank Schultchen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aqseptence Group GmbH
Original Assignee
Passavant Geiger GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Passavant Geiger GmbH filed Critical Passavant Geiger GmbH
Publication of EP2524725A1 publication Critical patent/EP2524725A1/fr
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/11—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/80—Accessories
    • B01D33/801—Driving means, shaft packing systems or the like

Definitions

  • the invention relates to a Trommelsiebmaschine for removing screenings from a liquid, in particular from wastewater, with a rotatably mounted screen drum having a screen openings having circumferential screen openings, which can be flowed through for the separation of screenings of the liquid from the inside to the outside, wherein the separated screenings by means of a Removal device can be sprayed with spray water from outside to inside.
  • Devices for removing screenings from liquids with obliquely erected rotating drum with circumferential screen openings are known, for example from the DE 103 16 173 A1 .
  • the known devices pull with the screw conveyor of a conveyor the screenings axially from the field of the drum to a discharge.
  • the drive shaft of this screw conveyor is driven by an axially at the outlet end of the conveyor, that is positioned at the discharge gear motor.
  • the screw conveyor is driven and its rotational movement is transmitted by means of a rotary arm on the screen drum.
  • So she has a sieve drum on, which is driven by means of the rotational movement of the directly driven auger and a rotary arm, which forms a rotationally fixed connection between the auger and the screen drum.
  • the screenings are pulled by means of the screw conveyor to a discharge, wherein the drive is located at the outlet end of the screw conveyor and drives the screw conveyor.
  • a device for removing screenings from a liquid, in particular from wastewater, with a rotatably mounted screen drum with a screen openings having circumferential screen openings, which can be flowed through from the inside to the outside for separation of screenings, wherein the separated screenings are by means of a detaching device Spritzspritz water is ejected from outside to inside, has the peculiarity that it has a drive for directly driving the screen drum, a screw conveyor which is arranged coaxially to the screen drum and by means of the rotational movement of the directly driven screen drum and a rotary arm, on the Inlet end face of the screening drum is arranged and forms a rotationally fixed connection between the sieve drum and the screw conveyor, is drivable, has an axially arranged conveying device, in which the screw conveyor is arranged, and by means of the conveyor and the F rderschnecke in the conveying direction of the material to be screened can be pushed by a pressing and dewatering device for a lying in the axial conveying
  • the special features of the device according to the invention relate on the one hand to the drive of the screw conveyor, which according to the invention is not driven directly by a drive, but by means of the rotational movement of the directly driven screen drum and a rotary arm, the rotational movement the directly driven screen drum transmits to the screw conveyor, is driven, and on the other hand, the axial arrangement of the conveyor with the conveyor screw disposed therein, by means of which the screenings is pushed in the axial conveying direction to a discharge.
  • the device according to the invention has a screw conveyor which can be driven by means of the rotary movement of a directly driven screening drum and a rotary arm which forms a rotationally fixed connection between the screening drum and the screw conveyor.
  • the screen drum is directly driven and the rotary motion of the directly driven screen drum is transmitted to the screw conveyor by means of a rotary arm, which forms a non-rotatable connection between the screen drum and the screw conveyor.
  • the screenings are pushed by means of the conveyor or screw conveyor in the conveyor to a discharge, wherein the drive is located at the inlet end of the screw conveyor and drives directly the screen drum, there is the advantage that it is in the conveyor less to clogging of the screenings around the drive shaft of the screw conveyor and thereby clogging the discharge comes. Since the conveyor runs axially parallel to the screen drum, there is also less clogging and it is possible to push the screenings by means of the conveyor with subsequent press zone to an open drop, which is arranged in the axial direction to the axis of the screen drum, without that through the discharge area a drive shaft extends, wherein the discharge may optionally be open in the axial direction.
  • FIG. 1 shows a simplified side view of an inventive device for removing screenings from a liquid 2. Shown is a section of a channel 1, in which a liquid 2 added with screenings flows in the direction of flow 3 up to a water level 4. The flow direction 3 of the liquid 2 determines the inlet side 6 and the discharge side 5. It is also possible to use the device outside a channel, for example in a container.
  • the screen drum 10 is rotatably mounted and comprises a screen screen 11 having screen openings on the peripheral side.
  • the screen drum 10 can be designed, for example, as a perforated screen drum, as a slot screen drum or as a mesh screen drum.
  • the exemplary geometries of the peripheral screen openings of the screen shell 11 of the perforated screen drum may have rectangular, round or polygonal shapes.
  • the drum screen is preferably placed obliquely in a channel 1, wherein the front wall 8 is directed against the flow direction 3.
  • the device is thus preferably placed with the drum screen axis obliquely to the channel bottom, wherein the angle to the channel bottom is preferably about 35 °.
  • the device is supported by the front wall 8 of the frame 7 and one or more supports 46 on the conveyor 39th
  • the liquid 2 flows onto the screen casing 11, wherein the corresponding screenings deposited and sprayed with a detaching device 50 with splash water from outside to inside in a hopper 31 for collecting screenings, which are arranged over a coaxial with the screen drum 10 Auger 36 is located.
  • a arranged on the inlet end 16 of the drum 10 rotating arm 13 forms a rotationally fixed connection between the drum 10 and screw conveyor 36.
  • the screw conveyor 36 is driven via the rotary arm 13 and pushes the screenings through a pressing and draining device 40 for discharge 44.
  • the discharge height is so executed a container 45 standing on the ground floor fits under the discharge point 44.
  • the discharge height is variable and determines the length of the conveyor 39. In each case, the discharge height of the screenings above the highest water level 4.
  • the discharge 44 has in the axial conveying direction of the screw conveyor 36 and the conveyor 39 to an opening.
  • the opening is preferably round, with its inner diameter corresponding to the outer diameter of the screw conveyor 36.
  • the screening drum 10 is a directly driven screening drum 10, which drives a conveying screw 36 via a rotating arm 13, which pushes the screening material through a pressing and dewatering device 40 to the discharge 44.
  • the screw conveyor 36 Coaxial with the screen drum 10, the screw conveyor 36 is arranged, which by a rotary arm 13, on the inlet end face 16 of the screen drum 10, a rotationally fixed connection to the screen drum 10 has.
  • the screw conveyor 36 is driven via the rotary arm 13 by the rotational movement of the screen drum 10.
  • On Siebtrommelin is located above the conveyor 39, a hopper 31 for receiving the screenings.
  • the screw conveyor 36 in the conveyor 39 pushes the screenings to the discharge 44th
  • Segregated screenings are pushed by means of the axially arranged conveyor 39 through a pressing and dewatering device 40 to the discharge area.
  • the conveying device 39 is preferably designed as a screw press 35, so that the conveying screw 36 pushes the screenings through a pressing and dewatering device 40, against a counter-pressure flap 42, for discharge 44.
  • the pressing and dewatering device 40 is preferably designed as in the known Passavant-Geiger Noggerath spiral press SPR, but may for example also be designed as in the known Passavant-Geiger Noggerath spiral wire NSI.
  • a release device 50 is positioned outside of the screen shell 11, above the highest water level 4. This is preferably formed with a spray bar with nozzles and attached to the frame 7. The spray dissolves the adhering screenings on the inside of the screen shell 11.
  • the screen drum 10 is rotatably supported by the support rollers 27 and the front bearing 30 on the hopper 31 in a frame 7.
  • the screening drum 10 is set in rotary motion by a drive 20 which comprises a geared motor 21 and a drive element 23 connecting the geared motor 21 to the screen drum 10.
  • the gear motor 21 is preferably attached to the frame 7.
  • the screen drum 10 is driven by the geared motor 21 directly via the drive member 23, i. the torque of the drive motor 21 is passed via the drive element 23 on the outer diameter of the screen drum 10 directly into the screen drum 10.
  • the drive motor 21 and possibly also the drive element 23 can be arranged outside the liquid 2 to be screened with screenings and need not be protected against contamination by the liquid 2.
  • the inlet on the drum front side can be kept free by the drive motor and drive elements.
  • the drive element 23 can be designed primarily as a toothed belt drive, as a front gear pair or as a chain drive.
  • the gear motor 21 can be positioned on the front wall 8 and drive the drive member 23 directly, or the gear motor 21 can be positioned on the rear wall 9 and drive the drive member 23 via a mounted drive shaft 22.
  • the illustrated device comprises a frame 7 and a geared motor 21 for driving the screen drum 10, wherein the screen drum 10 is directly displaceable in rotary motion via a drive element 23 of the gear motor 21 which is fixed to the frame 7.
  • the sieve drum 10 is rotated via a drive element 23 of the geared motor 21 which is fixed to the frame 7 in rotation.
  • the drive element 23 is shown as a toothed belt drive.
  • the geared motor 21 is positioned on the rear wall 9 and drives the drive element 23 via a mounted drive shaft 22.
  • the coaxial with the screen drum 10 arranged screw conveyor 36 is by means of a rotary arm 13 which is arranged on the inlet end face 16 of the screen drum 10 and forms a rotationally fixed connection between the screen drum 10 and the rotary arm 13, driven.
  • the rotary arm 13, by means of which the screw conveyor 36 is set in rotary motion, is arranged on the inlet end face 16 of the screen drum 10.
  • the conveyor screw 36 and the conveyor 39 is set by means of the directly driven screen drum 10 and the rotary arm 13 in rotary motion.
  • FIG. 2 shows a simplified page and FIG. 3 a simplified front view of the device without conveyor. Shown here is a drive version in which the geared motor 21 is positioned on the front wall 8 and drives a drive element 23 directly.
  • the drive element 23 is shown here as a toothed belt drive.
  • a removal device 50 is positioned outside of the screen shell 11 and formed with a spray bar and nozzles and attached to the frame 7.
  • the rotary arm 13 on the screen drum 10 may be designed, for example, one-armed, two-armed or three-armed.
  • FIG. 3 the rotary arm 13 is shown on the screen drum 10 in one arm.
  • drivers 12 are arranged for transporting the screenings along the direction of rotation of the screen drum 10.
  • These drivers 12 may have flat, partially perforated or chamber-like shapes and are preferably arranged parallel to the Siebtrommelcoolachse.
  • FIG. 3 the drivers 12 on the inside of the screen shell 11 on flat, chamber-like shapes.
  • FIG. 4 shows a simplified page and FIG. 5 a simplified front view of the device without conveyor.
  • Shown here is a drive version in which the geared motor 21 is positioned on the front wall 8 and drives a drive element 23 directly.
  • the drive element 23 is shown here as a front gear pair.
  • the rotary arm 13 at the inlet end 16 of the drum 10 is shown here one arm 70.
  • the drivers 12 on the inside of the screen shell 11 have here flat, openwork shapes.
  • a detaching device 50 is positioned outside of the screen shell 11 and formed with a spray bar 51 and nozzles 52 and attached to the frame 7.
  • a cleaning device 53 is formed with a brush 54 and fixed to the frame 7.
  • FIG. 6 shows a simplified side view of the device without conveyor. Shown here is a drive embodiment in which the geared motor 21 is positioned on the rear wall 9 and drives the drive element 23 via a mounted drive shaft 22.
  • the drive element 23 is shown here as a toothed belt drive.
  • FIG. 7 shows a simplified side view of the device without conveyor. Shown here is a drive embodiment in which the geared motor 21 is positioned on the rear wall 9 and drives the drive element 23 via a mounted drive shaft 22.
  • the drive element 23 is shown here as a front gear pair.
  • FIGS. 8 to 10 2 show simplified illustrations of the embodiments of the rotary arm 13 on the screen drum 10.
  • the rotary arm 13 may preferably have one arm 70 (FIG. FIG. 8 ), two-armed 71 ( FIG. 9 ) or three-armed 72 ( FIG. 10 ).
  • FIGS. 11 to 13 show a simplified representation of the rotary arm 13 in three temporally successive positions when driving past a funnel edge 62.
  • the device preferably has a shearing rail 32 which forms a shearing rail edge 62 with the contour of the rotating arm 13, by means of which screenings adhering to the rotary arm 13 during the rotary movement of the rotary arm 13 are detached from the rotary arm 13.
  • the shear rail 32 is arranged at the end of the funnel 31, which is located in the region of the inlet end face 16 of the screening drum 10 or this is close.
  • the rotary arm 13 is therefore designed in preferred embodiments such that the screen material adhering to the rotary arm 13 is detached from the rotary arm 13 at the shearing rail 32 on the hopper 31 with high shear force.
  • the rotary arm 13 has a geometrically shaped, curved contour 61 which pushes the screen material 64 adhering to the rotary arm 13 along a shearing rail 32 in the direction of the drum center 60 when driving past the shearing rail edge 62 on the hopper 31 and carries the screenings 64 with it a high shear 65 separates from the rotary arm.
  • the contour of the rotary arm 13 is designed so that when viewed from the front, the shear rail edge 62 and the Dreharmkante 61 upon encountering the rotation of the rotary arm 13 in the direction of rotation 67 in the direction of drum center 60 opening angle 66 form.
  • the in the views of the FIGS. 11 to 13 projected intersection point 63 of these two edges moves in the direction of the center of the drum as a result of the rotation of the rotary arm 13 in the direction of rotation 67
  • a higher shear force 65 acts on screenings 64 adhering to the rotary arm 13.
  • the high shear force is generated by the torque and the short lever arm to the center of rotation (drum center 60).
  • FIG. 14 shows a simplified sectional view of the rotary arm 13 with it adhering Siebgut 64 just before driving past, in the direction of movement 68, at the Scherschienenkante 62 of the funnel 31st
EP12003467A 2011-05-19 2012-05-07 Dispositif de suppression de produit à tamiser à partir dýun liquide Withdrawn EP2524725A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201110102073 DE102011102073B4 (de) 2011-05-19 2011-05-19 Vorrichtung zum Entfernen von Siebgut aus einer Flüssigkeit

Publications (1)

Publication Number Publication Date
EP2524725A1 true EP2524725A1 (fr) 2012-11-21

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Family Applications (1)

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EP12003467A Withdrawn EP2524725A1 (fr) 2011-05-19 2012-05-07 Dispositif de suppression de produit à tamiser à partir dýun liquide

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EP (1) EP2524725A1 (fr)
DE (1) DE102011102073B4 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109675726A (zh) * 2019-01-28 2019-04-26 张家港市新华化工机械有限公司 一种双重过滤离心机
CN114733249A (zh) * 2022-06-14 2022-07-12 山西省科技情报与战略研究中心 固液分离处理系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1469310A (en) * 1973-09-12 1977-04-06 Renault Self-cleaning filter
DE9205674U1 (fr) 1991-04-25 1992-07-23 Klasnic, Branko, 8000 Muenchen, De
DE4136401A1 (de) * 1990-11-05 1993-01-21 Branko Klasnic Geraet fuer die mechanische reinigung von schmutzbehafteten fluessigkeiten
DE19514596A1 (de) * 1995-04-20 1996-10-24 Huber Hans Gmbh Maschinen Und Vorrichtung zum Entfernen von Abscheidegut aus einer Flüssigkeit
EP1210987A2 (fr) * 2000-12-04 2002-06-05 Hans Huber AG Maschinen- und Anlagenbau Dispositif pour obtenir des fractions grosses et fines à partir d' un mélange de sable
WO2004087289A1 (fr) * 2003-04-04 2004-10-14 Hans Huber Ag Maschinen- Und Anlagenbau Dispositif permettant de retirer un produit de filtrage d'un liquide

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1469310A (en) * 1973-09-12 1977-04-06 Renault Self-cleaning filter
DE4136401A1 (de) * 1990-11-05 1993-01-21 Branko Klasnic Geraet fuer die mechanische reinigung von schmutzbehafteten fluessigkeiten
DE9205674U1 (fr) 1991-04-25 1992-07-23 Klasnic, Branko, 8000 Muenchen, De
DE19514596A1 (de) * 1995-04-20 1996-10-24 Huber Hans Gmbh Maschinen Und Vorrichtung zum Entfernen von Abscheidegut aus einer Flüssigkeit
EP1210987A2 (fr) * 2000-12-04 2002-06-05 Hans Huber AG Maschinen- und Anlagenbau Dispositif pour obtenir des fractions grosses et fines à partir d' un mélange de sable
WO2004087289A1 (fr) * 2003-04-04 2004-10-14 Hans Huber Ag Maschinen- Und Anlagenbau Dispositif permettant de retirer un produit de filtrage d'un liquide
DE10316173A1 (de) 2003-04-04 2004-10-28 Hans Huber Ag Maschinen- Und Anlagenbau Vorrichtung zum Entfernen von feinem Siebgut aus einer Flüssigkeit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109675726A (zh) * 2019-01-28 2019-04-26 张家港市新华化工机械有限公司 一种双重过滤离心机
CN109675726B (zh) * 2019-01-28 2023-12-05 张家港市新华化工机械有限公司 一种双重过滤离心机
CN114733249A (zh) * 2022-06-14 2022-07-12 山西省科技情报与战略研究中心 固液分离处理系统

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Publication number Publication date
DE102011102073B4 (de) 2013-06-20
DE102011102073A1 (de) 2012-11-22

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